BodyJ4You Septum Clicker Tribal Lace Rainbow Tribal 16G Tribal Fan Surgical Stainless Steel Septum Clicker 16 Gauge Glossy Rainbow Septum Clicker. 16 Gauge (1.2mm), (9.8mm) Bar Length: 6mm, Inside: W:9.8mm, H:8.8mm, Whole: W:19.2mm, H:16mm septum clicker has a hinge that easily opens and clicks closed.